Bitter enemies

Headmasters behaving badly! When four former headmasters arrive at Highcrest Academy to take part in the school's anniversary celebrations, the students are warned to be on their best behaviour. Unfortunately, no one told the headmasters to stay out of mischief too! Which means Friday Barnes soon has a case to solve. But unravelling the truth isn't easy when the whole school is being forced to eat paleo because the cook is on a diet; her best fri...